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# Copyright 2021 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
description: LED policy parent node
compatible: "cros-ec,led-policy"
child-binding:
description: |
LED policy nodes to describe the policy combination a node depends on, and
the color to set to for that combination.
e.g. If Blue color needs to be set for charge state discharge in S0, a
node looks like
power-state-discharge-s0 {
charge-state = "PWR_STATE_DISCHARGE";
chipset-state = "POWER_S0";
charge-port = <0>;
color-0 {
led-color = <&color_blue>;
};
};
properties:
charge-state:
description: |
If the LED color depends on charge state, this property is used
to describe it.
PWR_STATE_CHARGE - AC is connected, battery is charging.
PWR_STATE_DISCHARGE - AC is not connected, battery is discharging.
PWR_STATE_ERROR - Battery is in error state.
PWR_STATE_IDLE - AC is connected, battery is not charging.
PWR_STATE_FORCED_IDLE - AC is connected, battery is not charging.
Used during factory testing.
PWR_STATE_CHARGE_NEAR_FULL - AC is connected, battery is charging
and close to fully charged.
type: string
required: false
enum:
- PWR_STATE_CHARGE
- PWR_STATE_DISCHARGE
- PWR_STATE_ERROR
- PWR_STATE_IDLE
- PWR_STATE_FORCED_IDLE
- PWR_STATE_CHARGE_NEAR_FULL
charge-port:
description: |
If the LED color depends on the charging port (left or right).
type: int
required: false
chipset-state:
description: |
If the LED color depends on chipset state, this property is used
to describe it.
type: string
required: false
enum:
- POWER_S0
- POWER_S3
- POWER_S5
batt-lvl:
description: |
If the LED color depends on current battery level, this property
is used to describe batt_lvl range using closed interval [x,y].
Use the macros defined in dt-bindings/battery.h.
e.g. <BATTERY_LEVEL_EMPTY BATTERY_LEVEL_LOW> describes battery level
range of BATTERY_LEVEL_EMPTY to BATTERY_LEVEL_LOW inclusive.
type: array
required: false
child-binding:
description: Color enum
properties:
led-color:
description: |
Handle to LED pins node that describes pins to set to enable a
particular color.
type: phandle
required: true
period-ms:
description: |
In case of blinking LEDs, amount of time in msecs the LED
color is active. This value must be a multiple of
HOOK_TICK_INTERVAL_MS.
e.g.
power-state-error {
charge-state = "PWR_STATE_ERROR";
/* One sec Amber, one sec Off */
color-0 {
led-color = <&color_amber>;
period-ms = <1000>;
};
color-1 {
led-color = <&color_off>;
period-ms = <1000>;
};
};
type: int
required: false
|
